Java Collection Check isCollection(Class clazz)

Description

Check whether a type is a collection (List, Set, ...).

License

Apache License

Parameter

Parameter	Description
C	the type of the class modeled by the <code>clazz</code> argument Class object. For example, the type of String.class is Class &lt;String&gt;
clazz	the type to test.

Return

true if the type to test is a a type is a collection (List, Set, ...).

Declaration

public static <C> boolean isCollection(Class<C> clazz) 

Method Source Code

//package com.java2s;
/*// w  w w  . j  a v a 2  s .  co  m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Collection;

public class Main {
    /**
     * Check whether a type is a collection (List, Set, ...).
     *
     * @param <C> the type of the class modeled by the
     *            <code>clazz</code> argument Class object. For
     *            example, the type of String.class is Class
     *            &lt;String&gt;
     * @param clazz the type to test.
     * @return true if the type to test is a a type is a
     *         collection (List, Set, ...).
     */
    public static <C> boolean isCollection(Class<C> clazz) {

        if (clazz == null) {
            return false;
        }

        return Collection.class.isAssignableFrom(clazz);
    }
}

Related

1. isCollection(Class clazz)
2. isCollection(Class clazz)
3. isCollection(Class clazz)
4. isCollection(Class klass)
5. isCollection(Class type)
6. isCollection(Class fieldClass)
7. isCollection(final Object collection)
8. isCollection(final Object obj)
9. isCollection(final Object value)